Perforce - Self-hosted Version Control Software
GitHub Desktop - GitHub Desktop is a seamless way to contribute to projects on GitHub and GitHub Enterprise.
GitBucket - GitBucket is the easily installable open-source GitHub clone written with Scala.
Git - Git is a free and open source version control system designed to handle everything from small to very large projects with speed and efficiency. It is easy to learn and lightweight with lighting fast performance that outclasses competitors.
Gitea - A painless self-hosted Git service
Mercurial SCM - Mercurial is a free, distributed source control management tool.